208 FUNGUS-FLORA. 



Polyporus ramentaceus, B. & Br., AHB. Nat. Hist., n. 1809 ; 

 Stev., Brit. Fung., p. 214. 



On dead branches. Pores | f mm. across. Fungus car- 

 tilaginous and horny when dry. 



V. Pores umber, rufous, brown, purple, flesh-colour or cinnamon. 



Poria umbrina. Fr. 



Resupinate, effused, up to ^ in. thick; surface rather 

 uneven, umber with a rufous tinge, pores minute, roundish, 

 unequal ; margin smooth, paler than the hymenium. 



Polyporus umbrinus, Fries, Hym. Eur., p. 571 ; Stev., Brit. 

 Fung., p. 211. 



On trunks. Extending for 23 in., flesh almost obsolete ; 

 distinguished amongst its allies by the dingy umber colour 

 and pale, smooth margin. 



Poria rufa. Fr. 



Effused, thin, closely adnate, coriaceous, determinate, 

 blood-red with a rufous tinge ; pores minute, thin. 



Polyporus rufus, Fries, Epicr., p. 484 ; Stev., Brit. Fung., 

 p. 213. 



On branches and prostrate trunks. Margin byssoid when 

 young. 



Poria aneirina. Sommerf. 



Effused, thin, subinnate, margin white, byssoid; pores 

 large, waxy, angular, even, fulvous. 



Polyporus aneirinus, Sommerfeldt, Lapp., p. 276; Stev., 

 Brit. Fung., p. 214. 



On dead wood and branches, of poplar more especially. 

 Commencing as in P. bombycina as a byssoid membrane from 

 which the pores are formed, which at length become waxy, 

 generally exactly hexagonal, and tawny or fulvous, | 1 mm. 

 across. Distinguished by its large pores, the hymenium of 

 which has a peculiar smooth, waxy aspect. (B. & Br.) 



Usually becoming much contracted and cracked or torn 

 during drying. 



Poria incarnata. Fr. 



Broadly effused, corky-coriaceous, persistent, firm, upper 

 margin frequently reflexed ; hymenium flesh-colour, pores 

 elongated, unequal, commonly oblique. 



